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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/message_pump_ozone.h"
#include "base/logging.h"
#include "base/message_loop.h"
namespace base {
MessagePumpOzone::MessagePumpOzone()
: MessagePumpLibevent() {
}
MessagePumpOzone::~MessagePumpOzone() {
}
void MessagePumpOzone::AddObserver(MessagePumpObserver* /* observer */) {
NOTIMPLEMENTED();
}
void MessagePumpOzone::RemoveObserver(MessagePumpObserver* /* observer */) {
NOTIMPLEMENTED();
}
// static
MessagePumpOzone* MessagePumpOzone::Current() {
MessageLoopForUI* loop = MessageLoopForUI::current();
return static_cast<MessagePumpOzone*>(loop->pump_ui());
}
void MessagePumpOzone::AddDispatcherForRootWindow(
MessagePumpDispatcher* dispatcher) {
// Only one root window is supported.
DCHECK(dispatcher_.size() == 0);
dispatcher_.insert(dispatcher_.begin(),dispatcher);
}
void MessagePumpOzone::RemoveDispatcherForRootWindow(
MessagePumpDispatcher* dispatcher) {
DCHECK(dispatcher_.size() == 1);
dispatcher_.pop_back();
}
bool MessagePumpOzone::Dispatch(const base::NativeEvent& dev) {
if (dispatcher_.size() > 0)
return dispatcher_[0]->Dispatch(dev);
else
return true;
}
// This code assumes that the caller tracks the lifetime of the |dispatcher|.
void MessagePumpOzone::RunWithDispatcher(
Delegate* delegate, MessagePumpDispatcher* dispatcher) {
dispatcher_.push_back(dispatcher);
Run(delegate);
dispatcher_.pop_back();
}
} // namespace base
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